Hey John The pfb_fir_generic and fft family are asynchronous capable in recent casper library versions. There is a mask option and an en input and dvalid output ports are added.
One thing to watch out for is that the sync must occur on the last valid cycle of an input data window. Let me know if you need any help. Regards Andrew On Tue, Jan 20, 2015 at 6:01 PM, John Ford <[email protected]> wrote: > Hi all. > > Has anyone got a set of green blocks (specifically PFB/FFT) with enables > that would allow a system with a decimating downconverter/filter to be > used directly? > > That would be cool... > > John > > > >

